# emu in blogjava

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Problem Statement
????
We are building a rectangular house using manufactured sections for the walls. Each section is 4 feet long. There are three types of sections: window sections, door sections, and regular sections. We have a fixed assortment of these sections, and want to design the house to have a maximum area, subject to the following rules:
1) A house side must contain no more than one door.
2) The house must have at least one door.
3) A door section may not be at the end of a wall.
4) Each window section must be adjacent to two regular sections, one on each side of it in its wall.
Create a class HouseParty that contains a method maxArea that is given numReg, numWin, and numDoor (the available quantity of each type of section) and that returns the maximum area of a house built from those sections. You are not required to use all the sections. If no house can be built your method should return 0.
Definition
????
Class:
HouseParty
Method:
maxArea
Parameters:
int, int, int
Returns:
int
Method signature:
int maxArea(int numReg, int numWin, int numDoor)
(be sure your method is public)
????

Constraints
-
numReg, numWin, and numDoor will each be between 0 and 50 inclusive.
Examples
0)

????
8
0
0
Returns: 0
No house can be built since you have no door sections.
1)

????
8
0
1
Returns: 48
One way is to use 3 regular sections for the north wall, one regular section for the east wall and one for the west wall, and to use a door section between 2 regular sections for the south wall. This gives a house that is 12' x 4'. Below is a picture (with door and window sections shown as D and W, and regular sections shown as - or | )

---
|   |
-D-
2)

????
9
8
2
Returns: 144
One design is:
-D-
|   |
D   W
|   |
-W-
3)

????
6
23
13
Returns: 48
We are very short of regular sections; one design is:
-
| |
D W
| |
-

This problem statement is the exclusive and proprietary property of TopCoder, Inc. Any unauthorized use or reproduction of this information without the prior written consent of TopCoder, Inc. is strictly prohibited. (c)2003, TopCoder, Inc. All rights reserved.

posted on 2005-08-16 09:28 emu 阅读(1769) 评论(11)  编辑  收藏 所属分类: google编程大赛模拟题及入围赛真题 ### 评论

# emu 第一次的解法 2005-08-16 09:34 emu

import java.util.*;

public class HouseParty {
public static void main(String[] args) {
HouseParty hp = new HouseParty();
//hp.maxArea(3,0,0);
long startBy = System.currentTimeMillis();
/*
System.out.println(hp.maxArea(7, 0, 1));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println(hp.maxArea(9, 8, 2));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println(hp.maxArea(6, 23, 13));
System.out.println("biggest room:" + hp.biggestRoom);
*/
System.out.println("(16, 0, 4):"+hp.maxArea(16, 0, 4));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(16, 2, 1):"+hp.maxArea(16, 2, 1));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(16, 4, 4):"+hp.maxArea(16, 4, 4));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("time used:" + (System.currentTimeMillis() - startBy));
}

private int numReg, numWin, numDoor;
private int REG = 0, WIN = 1, DOOR = 2;
private Room biggestRoom = null;
public int maxArea(int numReg, int numWin, int numDoor) {
if (numDoor == 0)
return 0;
if (numReg < 4)
return 0;
if (numDoor > 4)
numDoor = 4;
if (numWin > numReg / 2)
numWin = numReg / 2;
this.numReg = numReg;
this.numWin = numWin;
this.numDoor = numDoor;
ArrayList possibleWalls = getPossibleWals(numReg / 2 , numWin,1);
int result = getMaxArea(possibleWalls);
return result * 16;
}

private ArrayList getPossibleWals(int numReg, int numWin, int numDoor) {
ArrayList result = new ArrayList();
if (numWin > numReg / 2 - 1)
numWin = numReg / 2 - 1;
if (numDoor > 1)
numDoor = 1;
int wallMaxLength = numReg + numWin + numDoor;
for (int wallLength = 1; wallLength < wallMaxLength; wallLength++) {
for (int i = 0, n = new Double(Math.pow(3, wallLength)).intValue();
i < n; i++) { //这样穷举的效率很低，应用递归检查
Wall wall = new Wall();
wall.wall = new int[wallLength];
int tmp = i;
for (int j = 0; j < wallLength; j++) {
wall.wall[j] = tmp % 3;
tmp = tmp / 3;
}
if (wall.checkRule()) {
}
}
}
return result;
}

private int getMaxArea(ArrayList possibleWalls) {
int wallCount = possibleWalls.size();
int result = 0;
for (int iWallEast = 0; iWallEast < wallCount; iWallEast++) {
Wall east = (Wall) possibleWalls.get(iWallEast);
for (int iWallWest = 0; iWallWest < wallCount; iWallWest++) {
Wall west = (Wall) possibleWalls.get(iWallWest);
if (east.wall.length != west.wall.length)
continue;
if (east.wall.length != west.wall.length)
continue;
if (east.getRegCount() + west.getRegCount() > numReg)
continue;
if (east.getWinCount() + west.getWinCount() > numWin)
continue;
if (east.getDoorCount() + west.getDoorCount() > numDoor)
continue;
for (int iWallSouth = 0; iWallSouth < wallCount; iWallSouth++) {
Wall south = (Wall) possibleWalls.get(iWallSouth);
if (east.getRegCount() + west.getRegCount() +
south.getRegCount() > numReg)
continue;
if (east.getWinCount() + west.getWinCount() +
south.getWinCount() > numWin)
continue;
if (east.getDoorCount() + west.getDoorCount() +
south.getDoorCount() > numDoor)
continue;
for (int iWallNorth = 0; iWallNorth < wallCount; iWallNorth++) {
Wall north = (Wall) possibleWalls.get(iWallNorth);
if (south.wall.length != north.wall.length)
continue;
if (east.getRegCount() + west.getRegCount() +
south.getRegCount() + north.getRegCount() > numReg)
continue;
if (east.getWinCount() + west.getWinCount() +
south.getWinCount() + north.getWinCount() > numWin)
continue;
if (east.getDoorCount() + west.getDoorCount() +
south.getDoorCount() + north.getDoorCount() >
numDoor)
continue;
if (east.getDoorCount() + west.getDoorCount() +
south.getDoorCount() + north.getDoorCount() < 1)
continue;
Room room = new Room(east, south, west, north);
if (room.getArea() > result) {
result = room.getArea();
biggestRoom = room;
}
}
}
}
}
return result;
}

private class Wall {
public int[] wall;
public int[] combinationCount;
public int getRegCount() {
return combinationCount[REG];
}

public int getWinCount() {
return combinationCount[WIN];
}

public int getDoorCount() {
return combinationCount[DOOR];
}

public String toString() {
char[] tmp = new char[] {'R', 'W', 'D'};
String result = "";
for (int i = 0; i < wall.length; i++)
result += tmp[wall[ i ]];
return result;

}

public boolean checkRule(){
this.combinationCount = new int;
if (wall == DOOR)
return false;
if (wall[wall.length - 1] == DOOR)
return false;
if (wall == WIN)
return false;
if (wall[wall.length - 1] == WIN)
return false;
for (int i = 0, n = wall.length; i < n; i++)
if (wall[ i ] == WIN && (wall[i - 1] != REG || wall[i + 1] != REG))
return false;
else
combinationCount[wall[ i ]]++;
if (getRegCount() < 1)
return false;
if (getRegCount() > numReg)
return false;
if (getWinCount() > numWin)
return false;
if (getDoorCount() > numDoor)
return false;
if (getDoorCount() > 1)
return false;
return true;
}
}

private class Room {
Wall east, south, west, north;
public Room(Wall east, Wall south, Wall west, Wall north) {
this.east = east;
this.south = south;
this.west = west;
this.north = north;
}

public int getArea() {
if (east.wall.length != west.wall.length)
return 0;
if (south.wall.length != north.wall.length)
return 0;
if (east.getRegCount() + west.getRegCount() + south.getRegCount() +
north.getRegCount() > numReg)
return 0;
if (east.getWinCount() + west.getWinCount() + south.getWinCount() +
north.getWinCount() > numWin)
return 0;
if (east.getDoorCount() + west.getDoorCount() + south.getDoorCount() +
north.getDoorCount() > numDoor)
return 0;
if (east.getDoorCount() + west.getDoorCount() + south.getDoorCount() +
north.getDoorCount() < 1)
return 0;
return east.wall.length * south.wall.length;

}

public String toString() {
return "east:" + east + "\tsouth:" + south + "\twest:" + west +
"\tnorth:" + north;
}
}
}

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# 秋水无恨的javascript版答案，第三次修正版。 2005-08-16 09:36 emu
<script>
function Int(n){return Math.floor(n)};
function min(n,m){return Math.min(n,m)};
function maxArea(numReg,numWin,numDoor){
if(numDoor<1 || numReg<4 )
return 0;
var l,x=1,y=1;//x,y表示长和宽
if(numDoor>4)numDoor=4;numReg-=4;
var nUsed=min(numReg,numDoor+numWin);//用的门窗的总合

if(nUsed%2)//如果是1或3，则补足2的倍数
if(numReg-1>nUsed){//如果墙够用来代替门窗
if((0==(numReg%2))&&(1==(nUsed%4))&&(nUsed>1))--nUsed;else//(12,4,1)bug
{numReg-=1;++nUsed;}//则多用一个门窗
}else --nUsed;//若不够,则少用一个门窗

if(nUsed==0)return 0;//(5,5,5)bug

if(l=Int(nUsed/4))//先添加到四面
{
x+=l*2;y+=l*2;//2=一个门窗加一个墙
numReg-=l*4;nUsed%=4;//每面都要用墙,故*4
}
if(nUsed==2)
{
numReg-=2;//减去和门窗对应的墙
x+=2;//先添加给一边,因为目前两边还一样长
if(numReg>=2){numReg-=2;y+=1;}//如果墙有多余的,先给另一边加1,尽量相同
}

if(l=Int(numReg/4))//先添加到四面
{
x+=l;y+=l;//这时只加了一个墙
numReg-=l*4;//但一样每面都要用墙,故*4
}
if(numReg>1)//多出来的分两边
{
numReg-=2;//只有一面加墙
if(x>y)y+=1;else x+=1;
}
return x*y*16;
}

document.write("8,0,0=",maxArea(8,0,0), "<br>");
document.write("8,0,1=",maxArea(8,0,1), "<br>");
document.write("9,8,2=",maxArea(9,8,2), "<br>");
document.write("6,23,13=",maxArea(6,23,13), "<br>");
</script>

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# emu第二次的解法 2005-08-16 09:37 emu

public class HouseParty {
public static void main(String[] args) {
HouseParty hp = new HouseParty();
long startBy = System.currentTimeMillis();
System.out.println("(50,50,50):" + hp.maxArea(50, 50, 50));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(8, 0, 0):" + hp.maxArea(8, 0, 0));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(8, 1, 1):" + hp.maxArea(8, 1, 1));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(7, 0, 1):" + hp.maxArea(7, 0, 1));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(9, 8, 2):" + hp.maxArea(9, 8, 2));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(6, 23, 13):" + hp.maxArea(6, 23, 13));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(16, 0, 4):" + hp.maxArea(16, 0, 4));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(16, 2, 1):" + hp.maxArea(16, 2, 1));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(16, 4, 4):" + hp.maxArea(16, 4, 4));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(9, 0, 3):" + hp.maxArea(9, 0, 3));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(8, 0, 4):" + hp.maxArea(8, 0, 4));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(9, 1, 2):" + hp.maxArea(9, 1, 2));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("(9, 2, 1):" + hp.maxArea(9, 2, 1));
System.out.println("biggest room:" + hp.biggestRoom);
System.out.println("time used:" + (System.currentTimeMillis() - startBy));

}

public Room biggestRoom;
public int maxArea(int numReg, int numWin, int numDoor) {
biggestRoom = null;
if (numReg < 6)
return 0;
if (numDoor < 1)
return 0;
if (numReg + numWin + numDoor < 8)
return 0;
Room initialRoom = null;
if (numDoor > 1) {
initialRoom = new Room("RDR", "R", "RDR", "R");
numReg -= 6;
numDoor -= 2;
} else if (numWin > 0) {
initialRoom = new Room("RDR", "R", "RWR", "R");
numReg -= 6;
numDoor -= 1;
numWin -= 1;
} else {
initialRoom = new Room("RDR", "R", "RRR", "R");
numReg -= 7;
numDoor -= 1;
}

if (numDoor >= 2 && numReg >= 2) {
initialRoom.appendWalls("DR", "DR");
numDoor -= 2;
numReg -= 2;
} else if (numDoor >= 1) {
if (numWin >= 1 && numReg >= 2) {
initialRoom.appendWalls("DR", "WR");
numWin -= 1;
numDoor -= 1;
numReg -= 2;
} else if (numReg >= 3) {
initialRoom.appendWalls("DR", "RR");
numDoor -= 1;
numReg -= 3;
}
}

while (numWin >= 2 && numReg >= 2) {
initialRoom.appendWalls("WR", "WR");
numWin -= 2;
numReg -= 2;
}
if (numWin >= 1 && numReg >= 3) {
initialRoom.appendWalls("WR", "RR");
numWin -= 1;
numReg -= 3;
} while (numReg >= 2) {
initialRoom.appendWalls("R", "R");
numReg -= 2;
}
biggestRoom = initialRoom;
return initialRoom.getArea() * 16;
}

private class Room {
StringBuffer east, south, west, north;
public Room(String east, String south, String west, String north) {
this.east = new StringBuffer(east);
this.south = new StringBuffer(south);
this.west = new StringBuffer(west);
this.north = new StringBuffer(north);
}

public int getArea() {
return east.length() * south.length();
}

public String toString() {
return "east:" + east + "\tsouth:" + south + "\twest:" + west +
"\tnorth:" + north;
}

public void appendWalls(String w1, String w2) {
if (east.length() < south.length()) {
east.append(w1);
west.append(w2);
} else {
south.append(w1);
north.append(w2);
}
}
}
}

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# emu的最终解法 2005-08-16 09:39 emu

public class HouseParty {
public static void main(String[] args) {
HouseParty hp = new HouseParty();
//hp.maxArea(3,0,0);
long startBy = System.currentTimeMillis();
System.out.println("(8, 0, 0):"+hp.maxArea(8, 0, 0));
System.out.println("(7, 0, 1):"+hp.maxArea(7, 0, 1));
System.out.println("(9, 8, 2):"+hp.maxArea(9, 8, 2));
System.out.println("(6, 23, 13):"+hp.maxArea(6, 23, 13));
System.out.println("(16, 0, 4):"+hp.maxArea(16, 0, 4));
System.out.println("(16, 2, 1):"+hp.maxArea(16, 2, 1));
System.out.println("(16, 4, 4):"+hp.maxArea(16, 4, 4));
System.out.println("(1024, 324, 4):"+hp.maxArea(1024, 324, 4));
System.out.println("(9, 0, 3):"+hp.maxArea(9, 0, 3));
System.out.println("time used:" + (System.currentTimeMillis() - startBy));
}
public int maxArea(int numReg, int numWin, int numDoor) {
int width = 0;
int length = 0;
if (numDoor>4) numDoor =4;
if (numReg<6) return 0;
if (numDoor<1) return 0;
if (numReg+numWin+numDoor<8) return 0;
if (numDoor>1) {
width = 1;
length = 3;
numReg -= 6;
numDoor -= 2;
}else if (numWin>1){
width = 1;
length = 3;
numReg -= 6;
numDoor -= 1;
numWin -= 1;
}else{
width = 1;
length = 3;
numReg -= 7;
numDoor -= 1;
}
if (numDoor >=2 && numReg>=2){
if (width<length) width += 2; else length += 2;
numDoor -= 2;
numReg -= 2;
}

if (numWin >=2 && numReg>=2){
int n = Math.min(numWin,numReg)/2;
int m = n/2; n -= m;
if (width<length) {
width += n*2;
length += m*2;
} else{
width += m*2;
length += n*2;
}
numWin -= 2*(n+m);
numReg -= 2*(n+m);
}

if (numDoor >=1 && numWin >=1 && numReg>=2){
if (width<length) width += 2; else length += 2;
numWin -= 1;
numDoor -= 1;
numReg -= 2;
}
if ((numDoor >=1 || numWin >=1) && numReg>=3){
if (width<length) width += 2; else length += 2;
numReg -= 3;
}
if (numReg>=2){
int n = numReg/2;
int m = n/2; n -= m;
if (width<length) {
width += n;
length += m;
} else{
width += m;
length += n;
}
}
return width*length*16;
}
}

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# re: HouseParty 2005-08-23 18:18 emu

Failed system test 10 on the 375-point problem with args: [8, 1, 1]
EXPECTED: 96

Failed system test 5 on the 375-point problem with args: [50, 50, 50]
EXPECTED: 9200

# re: HouseParty(赛前模拟题) 2005-12-10 17:33 小飞侠
public class test {
//初始化房间,扣除使用的原材料,返回初始化房间数组
public static StringBuffer[] initRoom(int bres[]) {
StringBuffer[] myroom = new StringBuffer;

//数组内元素的初始化
myroom = new StringBuffer();
myroom = new StringBuffer();
myroom = new StringBuffer();
myroom = new StringBuffer();

if (bres == 4) {
if (bres >= 8) {
//初始化4个门的room
myroom.append("-D-");
myroom.append("-D-");
myroom.append("-D-");
myroom.append("-D-");
bres -= 8;
bres -= 4;
return myroom;
}
}

if (bres >= 3) {
if (bres >= 1) {
if (bres >= 8) {
//初始化3个门的room
myroom.append("-D-");
myroom.append("-D-");
myroom.append("-D-");
myroom.append("-W-");
bres -= 8;
bres -= 1;
bres -= 3;
return myroom;
}
} else {
if (bres >= 9) {
myroom.append("-D-");
myroom.append("-D-");
myroom.append("-D-");
myroom.append("---");
bres -= 9;
bres -= 3;
return myroom;
}
}
}

if (bres >= 2) {
if (bres >= 6) {
//初始化4个门的room
myroom.append("-D-");
myroom.append("-");
myroom.append("-D-");
myroom.append("-");
bres -= 6;
bres -= 2;
return myroom;
}
}

if (bres >= 1) {
if (bres >= 1) {
if (bres >= 6) {
//初始化3个门的room
myroom.append("-D-");
myroom.append("-");
myroom.append("-W-");
myroom.append("-");
bres -= 6;
bres -= 1;
bres -= 1;
return myroom;
}
} else {
if (bres >= 7) {
myroom.append("-D-");
myroom.append("-");
myroom.append("---");
myroom.append("-");
bres -= 7;
bres -= 1;
return myroom;
}
}
}

return myroom;
}

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# re: HouseParty(赛前模拟题) 2005-12-10 17:34 小飞侠
//--接上
public static int getArea(int x, int y) {
return x * y;
}

public static int maxArea(int wall, int window, int door) {
int[] res = new int;
StringBuffer[] room;
int i, j;

System.out.println("总材料, wall="+wall+";window"+window+";door"+door);

if (door > 4) door = 4;
res = wall;
res = window;
res = door;

if (door == 0) {
System.out.println("Room can not be inited");
return 0;
}

//第一步,初始化房间,原则尽可能多的使用门.
room = initRoom(res);

if (room.length() == 0) {
System.out.println("Room can not be inited");
return 0;
}

//测试初始化情况,输出图形,和输出剩下的元素.
System.out.println("初始化房子:");
for(i=0; i < 4; i++) {
System.out.println(room[i]);
}
System.out.println("剩余的材料:");
System.out.println("wall="+res);
System.out.println("window="+res);
System.out.println("door="+res);

//第二步,初始化成功后,开始有条件约束的添加窗和门.
if (res < 2 ) {
return getArea(room.length(), room.length());
}

//获取当前条件下,能使用的窗的总数,
if (res > 0) {
if ( res % 2 == 0 ) {
//如果窗户是偶数
if (res < res) {
res = res;
}
} else {
//如果窗户是奇数
if (res < res + 2) {
res = res - 2;
}
}
}

//获取了能使用的窗总数后,判断现在的窗的奇偶.
j = room.length() >= room.length() ? 1 : 0;
if (res % 2 == 0){
while(res > 0 && res >= 2) {
room[j].append("W-");
room[j+2].append("W-");
res -= 2;
res -= 2;
j = 1 - j;
}
} else {
while(res > 1 && res >= 2) {
room[j].append("W-");
room[j+2].append("W-");
res -= 2;
res -= 2;
j = 1 - j;
}
//余一
if (res >= 3) {
room[j].append("W-");
room[j+2].append("--");
res -= 3;
res -= 1;
j = 1 - j;
}
}

//最后,如果剩余的墙,按照偶数个添加.
if (res % 2 == 0){
while(res > 0) {
room[j].append("-");
room[j+2].append("-");
res -= 2;
j = 1 - j;
}
} else {
while(res > 1) {
room[j].append("-");
room[j+2].append("-");
res -= 2;
j = 1 - j;
}
//余一, 不处理

}

//测试初始化情况,输出图形,和输出剩下的元素.
for(i=0; i < 4; i++) {
System.out.println(room[i]);
}
System.out.println("剩余的材料:");
System.out.println("wall="+res);
System.out.println("window="+res);
System.out.println("door="+res);

return getArea(room.length(), room.length());
}

public static void main(String args[]) {
int wall, door, window, mymax;

wall = 6;
window = 23;
door = 13;
mymax = maxArea(wall, window, door);

System.out.println("最大面积="+mymax);
}
}

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# re: HouseParty(赛前模拟题) 2005-12-10 17:48 小飞侠

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# re: HouseParty(赛前模拟题) 2005-12-19 14:41 longn_qi
// 问题分析：
// （1）围一间房的面积一定大于围多间房，所以只考虑围一间房。
// （2）只计算最优结果，不需要给出方案。
// （3）门必须有1，超过4个的剩余不用。门窗合在一起算，不区分。
// （4）墙板必须多于6，至少超过门窗4个，当恰好超过4个时，墙板必须为偶数，且房屋的长宽均为奇数。
// （5）使用的材料总数必须为偶数。
// （6）房屋的长和宽越接近面积越大。
// （7）因为至少有一扇门，所以房屋的长和宽至少有一个大于2。

int maxArea(int numReg, int numWin, int numDoor)
{
int used = 0;
int width, height;

if( numDoor < 1 || numReg < 6 || numWin < 0 )
{
return 0;
}

if( numDoor > 4 )
{
numDoor = 4;
}

if( numReg > numWin + numDoor + 4 )
{
used = ( ( numReg + numWin + numDoor ) >> 1 ) << 1;
width = used / 4;
}
else
{
used = ( ( numReg * 2 - 4 ) >> 2 ) << 2;
width = used / 8 * 2 + 1;
}

height = used / 2 - width;
if( height < 3 )
{
height = 3;
width = used / 2 - height;
}

return width * height * 16;
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# re: HouseParty(赛前模拟题) 2008-07-10 18:35 J.A.M

#include <iostream>
using namespace std;

int maxArea(int aRegular, int aWindow, int aDoor)
{
return 0;
if (aRegular < 6)
return 0;
int maxLen = aRegular + min(aDoor + aWindow, aRegular - 4);
maxLen = maxLen / 2;
int h = max(maxLen / 2, 3);
int w = maxLen - h;
if ((w-3)%2 == 1)
w = w - 1;
return (h* w) * 16;
};

int main(int argc, char* argv[])
{
cout<<maxArea(8,0,0)<<endl;
cout<<maxArea(8,0,1)<<endl;
cout<<maxArea(9,8,2)<<endl;
cout<<maxArea(6,23,13)<<endl;
cin.get();
return 0;
}
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# re: HouseParty(赛前模拟题) 2008-07-10 19:06 J.A.M

int maxArea(int aRegular, int aWindow, int aDoor)
{
return 0;
if (aRegular < 6)
return 0;
int maxLen = aRegular + min(aDoor + aWindow, aRegular - 4);
maxLen = maxLen / 2;
int h = max(maxLen / 2, 3);
if ((h-3)%2 == 1)
h = h - 1;
int w = maxLen - h;
if ((w-3)%2 == 1)
w = w - 1;
return (h* w) * 16;
};
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